[Numpy-discussion] Possible roadmap addendum: building better text file readers
Sun Feb 26 18:26:03 CST 2012
Excerpts from Erin Sheldon's message of Sun Feb 26 17:35:00 -0500 2012:
> Excerpts from Warren Weckesser's message of Sun Feb 26 16:22:35 -0500 2012:
> > Yes, thanks! I'm working on a mmap version now. I'm very curious to see
> > just how much of an improvement it can give.
> FYI, memmap is generally an incomplete solution for numpy arrays; it
> only understands rows, not columns and rows. If you memmap a rec array
> on disk and try to load one full column, it still loads the whole file
I read your message out of context. I was referring to interfaces to
binary files, but I forgot your only working on the text interface.
Sorry for the noise,
Erin Scott Sheldon
Brookhaven National Laboratory
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